When 2/3 of a number is multiplied by 9/8, the result is 3. What is the original number?

4. Let the number be n. (2/3 × 9/8) × n = 3, so 18/24 n = 3, i.e. 3/4 n = 3, giving n = 4.

When $\frac{2}{3}$ of a number is multiplied by $\frac{9}{8}$ , the result is 3.
What is the original number?

Class 7Multiplication of FractionsFractions and Decimals

Let the number be

n . (\frac{2}{3} \times \frac{9}{8}) \times n = 3

, so

\frac{18}{24} n = 3

, i.e.

\frac{3}{4} n = 3

, giving

n = 4

Answer: B) 4

Don't just memorise the answer — build a daily practice habit.